Sock with arch support



FIG. 1 is a side view of a sock with arch support laid flat and showing our new design; and,

FIG. 2 is a perspective view thereof, with the sock with arch support in use and showing the design.

The broken lines shown herein represent portions of the sock with arch support and form no part of the claimed design. 

CLAIM The ornamental design for a sock with arch support, as shown and described. 